A proposal to use $9m to pump cold water on to the Great Barrier Reef’s tourist hotspots to stave off coral bleaching has been described as a “band-aid” solution, which does little to address the fundamental threats to the world’s largest living structure. The plan, proposed by the tourism industry and the Reef and Rainforest Research Centre, seeks to protect six reefs with high economic or environmental value near Cairns and Port Douglas. It would involve using low-energy technology to push adjacent cold water from a depth of about 40 metres to the surface. The aim is to use the cooler waters to alleviate bleaching, which is caused by global warming-induced rises in sea surface temperatures.

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